<template>
    <panel-head  :route ='route'/>
        
    <div class="btns">
          <el-button  :icon='Plus' type="primary" @click="open(null)" size = "small">新增</el-button>
    </div>
   

     <el-table :data="tableData.list" style="width: 100%">
        <el-table-column prop="id"label="id"/>
        <el-table-column prop="name"label="昵称"/>     
        <el-table-column prop="permissionName"label="菜单权限" width="500px"/>
        <el-table-column label="操作">
             <template #default ="scope">
                <el-button type = "primary" @click = "open(scope.row)" >编辑</el-button>
             </template>
            </el-table-column>
     </el-table>



<div class="pagination-info">
<el-pagination
      v-model:current-page="paginationData.pageNum"
      :page-size="paginationData.pageSize"
      :background="false"
      size = "small"
      layout="total, prev, pager, next"
      :total="tableData.total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />


</div>
     
    <el-dialog
    v-model="dialogFormVisible"
    :before-close="beforeClose"
    title="添加权限"
    width="500"
    >

    <el-form :model="form" ref="formRef" label-width="100px" label-position="left" :rules = "rules">

        <el-form-item v-show="false" prop ='id'>
             <el-input    v-model="form.id" /> 
        </el-form-item>

        <el-form-item label="名称" prop ='name'>
            <el-input v-model="form.name" placeholder="请输入权限名称"/> 
        </el-form-item>
        <el-form-item label="权限" prop ='permissions'>
            <el-tree
            ref="treeRef"
            style="max-width: 600px;"
            :data="permissionData"
            node-key="id"
            show-checkbox
            :default-checked-keys="defaultKeys"
            :default-expanded-keys="[2]"
            /> 
            
        </el-form-item>
    </el-form>
    <template #footer>
        <div class="dialog-footer">
             <el-button type="primary" @click="confirm(formRef)">确认</el-button>
        </div>
    </template>
</el-dialog>


</template>

<script setup>
import { ref, reactive,onMounted,nextTick } from 'vue'

import { userGetMenu,userSetMenu,menuList } from '../../../api'

import { Plus } from '@element-plus/icons-vue'

import { useRoute } from 'vue-router'

const route = useRoute()


onMounted(() => {
    userGetMenu().then(({data}) => {
        console.log(data)
        permissionData.value = data.data
    })
    getListData()
})

// 列表数据
const tableData = reactive({
    list: [],
    total: 0
    
})


const open = (rowData = {}) => {
    dialogFormVisible.value = true
    nextTick (() => {
        if(rowData){
            Object.assign(form,{id:rowData.id,name:rowData.name})
            treeRef.value.setCheckedKeys(rowData.permission)
        }
    })
}

const paginationData = reactive({
    pageNum: 1,
    pageSize: 10
    
})

const handleSizeChange = (val) => {
    paginationData.pageSize = val
    getListData()
}

const handleCurrentChange = (val) => {
    paginationData.pageNum = val
    getListData()    
}

const getListData = () => {
    menuList(paginationData).then(({data}) => {
        const{list,total} = data.data
        tableData.list = list
        tableData.total = total
    })
}



const formRef = ref()

const dialogFormVisible = ref(false)
const form = reactive({
    id: '',
    name: '',
    permissions: ''
})
// 获取菜单列表
const permissionData = ref([])

const beforeClose = () => {
    dialogFormVisible.value = false
    form.value.resetFields()
    treeRef.value.setCheckedKeys(defaultKeys) 
}

const defaultKeys = [4,5]

const treeRef = ref()

const rules = reactive({
    name: [{required:true,trigger : 'blur',message:'请输入权限名称'}]
})


//表单提交
const confirm = async(formEl) => {
     if(!formEl) return
     await formEl.validate((valid,fields) => {
        if(valid){
         const permissions =JSON.stringify(treeRef.value.getCheckedKeys())
            userSetMenu({name:form.name,permissions,id:form.id}).then(({data}) => {
                beforeClose()
                getListData()
                
        
            })
        }else{
            console.log('error submit!!',fields)
        }
     })
}

</script>
<style lang="less" scoped>

.btns{
    padding: 10px 0 10px 10px;
    background-color: #ffff;
}
</style>